ecotecho
enlaces de interés
AAA Solar
American Solar Energy Society
Build it Solar (planos, herramientas e información acerca de proyectos de construción solar)
Dakota Hearth
Engineered Wood Association
Enercept, Inc.
Energy Center of Wisconsin
Environmental Building News
Green Building Information Council
Green Building Resource Guide
Home Energy
Homepower
Hurd Windows (Boettcher Window Supply, Watertown, SD)
Interstate Renewable Energy Council
Masonry Heater Association of North America
Masons on a Mission
MotorWave Group (Estupenda turbina de aprovechamiento eólico a bajo coste)
NASA - Meteorology & Solar Energy
Nu-Air Ventilation Systems, Inc.
Shelter Supply
University of Hong Kong (información sobre MotorWave)
woodheat.org
Yofra, S.A (glu-lam España)